Home / 75,181.44-103,700.61-48,358.02

Finding the Fourth Proportional to 75,181.44, 103,700.61 and 48,358.02

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Solution

The fourth proportional to 75,181.44, 103,700.61 and 48,358.02 is: 66,702.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,181.44 : 103,700.61 = 48,358.02 : x
  2. Step 2: Convert to fraction form
    75,181.44/103,700.61 = 48,358.02/x
  3. Step 3: Cross multiply
    75,181.44x = 103,700.61 × 48,358.02
  4. Step 4: Simplify right side
    75,181.44x = 5,014,756,172.39
  5. Step 5: Solve for x
    x = 5,014,756,172.39/75,181.44
  6. Step 6: Final answer
    x = 66,702.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.